unnecessary

adjective

un·​nec·​es·​sary ˌən-ˈne-sə-ˌser-ē How to pronounce unnecessary (audio)
: not necessary

Examples of unnecessary in a Sentence

In this city, owning a car is unnecessary. Let's not take any unnecessary risks.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Experts still advise moderation—about 8 ounces a day—since too much can add unnecessary sugar to your diet. Sarah Garone, Health, 18 Oct. 2025 The highest fines were handed to Tennessee Titans cornerback La'Jarius Sneed, who has to pay up $23,186 for unnecessary roughness (use of a helmet), and Pittsburgh Steelers linebacker Patrick Queen for a necessary roughness (blow to the head/neck). Anne Erickson, MSNBC Newsweek, 18 Oct. 2025 Disable unnecessary permissions like location tracking, microphone use or full file access. Kurt Knutsson, FOXNews.com, 17 Oct. 2025 Dryer sheets produce unnecessary waste and leave residue behind on your clothing and in your dryer. Brandee Gruener, Southern Living, 17 Oct. 2025 See All Example Sentences for unnecessary

Word History

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of unnecessary was in the 15th century

Browse Nearby Words

Cite this Entry

“Unnecessary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unnecessary. Accessed 24 Oct. 2025.

Kids Definition

unnecessary

adjective
un·​nec·​es·​sary ˌən-ˈnes-ə-ˌser-ē How to pronounce unnecessary (audio)
ˈən-
: not necessary

More from Merriam-Webster on unnecessary

Last Updated: - Updated example sentences
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